并通过模型试验进一步证实该船振动的成因主要是由于螺旋桨在不均匀流场中运转时产生的激振力所致。
It is verified by means of model test that the ship vibration is caused by the propeller-excited force, which is generated by the propeller running in the non-uniform stern flow field.
螺旋桨在不均匀伴流中操作引起的激振是船舶设计一个非常重要的因素。
Propeller-induced vibration caused by propeller operation in unsteady wake flows remains a highly important factor in ship design.
本设计系统适用于船尾流场为斜流的高速船和船尾流场及不均匀的肥大船，具有极高的实用价值。
This design system is suitable for the high speed ship with oblique flow and fat ship with the highly non-uniform flow field, and it is very valuable in the practical application.
实验结果表明，采用网状流场电流密度分布并不均匀。
The experimental results show that the current distribution in PEMFC with metal mesh flow field is not homogeneous.
实验结果表明，原始封头内部的物流分配存在严重的不均匀性，采用添加打孔挡板之后的改进型封头，流场的不均匀性有了很大的改善。
It is found that the fluid flow maldistribution is very serious for conventional header while the improved header configuration with punched baffle can effectively improve the performance.
实效伴流的不均匀性是引起螺旋桨空泡、振动的主要原因之一。
The effective wake is one of the primary reasons of propeller cavitation and induced ship hull vibration.
二维流场计算与实验结果对照说明，流速分布不均匀是造成侵蚀燃烧不均匀的主要原因。
From comparison between the calculational results and experimental data it is concluded that the nonuniformity of the erosive burning comes mainly from the nonuniformity of the velocity distribution.
通常将垂直柱体在波浪场中的受力分为正向力(顺流力)与升力，它们是由干粘性流绕钝体产生的摩擦阻力和由于水流绕柱分离产生涡漩而形成柱表面压力分布的不均匀变化而造成的。
When waves act on a vertical cylinder, there are in-line and lift forces. They are caused by the viscous effect, which induces the surface frictional force and flow separation and vortex shedding.
应变波通过铁磁性杆件时，由于压磁效应，可以激发出不均匀的磁流。
When strain waves pass through a ferromagnetic bar, owing to piezomagnetic effect, a nonuniform magnetic current will be stimulated by the strain wave simultaneously.
双流道叶轮内流动也不均匀，但没有出现明显的回流区，流态较好。
In the double-channel impeller, the flow has better flow pattern without obvious back-flow area.
栅状流道的气体分布非常不均匀 ，也会有传质极限的现象发生。
On the other hand, the gas concentration was well distributed for the serpentine flow pattern, created a better mass transfer phenomena.
栅状流道的气体分布非常不均匀 ，也会有传质极限的现象发生。
On the other hand, the gas concentration was well distributed for the serpentine flow pattern, created a better mass transfer phenomena.
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